NEW YORK - MAY 20: RIN TIN TIN Jr. poses at CBS Radio microphone. RIN-TIN-TIN was an adventure radio drama featuring the German shepherd wonder dog. Junior took over sound effects (barking) for the program. The program aired over the CBS airwaves from October 5, 1933 to May 20, 1934. Neg Date: Circa 1934. Neg Code: 461, frame 2. less

NEW YORK - MAY 20: RIN TIN TIN Jr. poses at CBS Radio microphone. RIN-TIN-TIN was an adventure radio drama featuring the German shepherd wonder dog. Junior took over sound effects (barking) for the program. The ... more

1926: A villain struggles with an Alsatian in a scene from the Rin Tin Tin film 'The Night Cry', directed by Herman C Raymaker. In the movie, the heroic dog is falsely accused of killing sheep, and is forced to prove his innocence by an act of courage. less

1926: A villain struggles with an Alsatian in a scene from the Rin Tin Tin film 'The Night Cry', directed by Herman C Raymaker. In the movie, the heroic dog is falsely accused of killing sheep, and is forced ... more

Photo: John Kobal Foundation, Getty Images

1926: A villain struggles with an Alsatian in a scene from the Rin... Photo-7573947.104085 - Houston Chronicle

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Portrait of the canine actor Rin Tin Tin, a German Shepherd, sitting outdoors in a personalized canvas chair, Hollywood, California.

Portrait of the canine actor Rin Tin Tin, a German Shepherd, sitting outdoors in a personalized canvas chair, Hollywood, California.